Cita APA (7th ed.)

ProQuest (Firm), Gruber, J., & Wise, D. A. (2004). Social security programs and retirement around the world: Micro-estimation. University of Chicago Press.

Cita Chicago (17th ed.)

ProQuest (Firm), Jonathan Gruber, i David A. Wise. Social Security Programs and Retirement Around the World: Micro-estimation. Chicago: University of Chicago Press, 2004.

Cita MLA (9th ed.)

ProQuest (Firm), et al. Social Security Programs and Retirement Around the World: Micro-estimation. University of Chicago Press, 2004.